What is the cheapest airline that flies from Buffalo to Caribbean Islands?

American Airlines, Delta, and JetBlue are the most popular carriers operating from Buffalo to Caribbean Islands

How many flights depart from Buffalo to Caribbean Islands on average per week?

4 flights are operational weekly from Buffalo to Caribbean Islands as of June 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.

What airlines fly to Caribbean Islands?

JetBlue, American Airlines and Southwest are the top three most popular airlines that fly to Caribbean Islands from Buffalo according to our data. JetBlue is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 6 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Buffalo Airport to Caribbean Islands?

Prices for flights from Buffalo Airport to Caribbean Islands refresh daily.

How many operators does momondo search for flights from Buffalo Airport to Caribbean Islands?

There are 6 operators available for flights from Buffalo Airport to Caribbean Islands as of June 2026.

How old do you have to be to fly from Buffalo Airport to Caribbean Islands?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Caribbean Islands.

What documentation or ID do you need to fly to Caribbean Islands?

The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$121 Cheap Flights from Buffalo to Caribbean Islands in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Caribbean Islands

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:26 pm - 12:07 pm

BUF

STT

17h 41m

2 stops

6:17 pm - 11:09 am

STT

BUF

17h 52m

2 stops

$270American Airlines

Sat, Nov 7 - Thu, Nov 12

7:00 am - 11:33 am

BUF

SJU

4h 33mnonstop

6:20 pm - 10:58 pm

SJU

BUF

4h 38mnonstop

$300JetBlue

Fri, Aug 7 - Fri, Aug 14

7:00 am - 11:33 am

BUF

SJU

4h 33mnonstop

6:20 pm - 10:58 pm

SJU

BUF

4h 38mnonstop

$305JetBlue

Wed, Aug 12 - Sat, Aug 22

7:00 am - 11:33 am

BUF

SJU

4h 33mnonstop

6:20 pm - 10:58 pm

SJU

BUF

4h 38mnonstop

$307JetBlue

Fri, Aug 7 - Fri, Aug 14

7:34 pm - 9:24 am

BUF

SJU

13h 50m

2 stops

2:22 pm - 11:40 pm

SJU

BUF

9h 18m

1 stop

$312American Airlines

Fri, Sep 11 - Thu, Sep 17

6:05 am - 1:44 pm

BUF

STT

7h 39m

1 stop

2:54 pm - 11:54 pm

STT

BUF

9h 00m

1 stop

$320Delta

Tue, Sep 15 - Tue, Sep 22

6:50 am - 1:35 pm

BUF

SJU

6h 45m

1 stop

11:50 am - 9:05 pm

SJU

BUF

9h 15m

2 stops

$322Southwest

Tue, Sep 15 - Wed, Sep 30

6:05 am - 1:47 pm

BUF

SJU

7h 42m

1 stop

1:06 pm - 11:50 pm

SJU

BUF

10h 44m

1 stop

$324Delta

Wed, Sep 9 - Thu, Oct 8

7:59 pm - 3:30 pm

BUF

PUJ

19h 31m

2 stops

3:35 pm - 11:36 pm

PUJ

BUF

8h 01m

1 stop

$332United Airlines

Tue, Sep 29 - Tue, Oct 6

6:00 am - 1:29 pm

BUF

MBJ

8h 29m

1 stop

1:48 pm - 10:49 am

MBJ

BUF

20h 01m

1 stop

$375United Airlines

Sun, Oct 25 - Sat, Oct 31

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JetBlue flights from Buffalo to Caribbean Islands

Our best JetBlue deals on Buffalo to Caribbean Islands flight tickets

JetBlue

Aug 7

BUF7:00 amBuffalo

4h 33m

SJU11:33 amSan Juan Luis Munoz Marin Intl

Aug 14

SJU6:20 pmSan Juan Luis Munoz Marin Intl

4h 38m

BUF10:58 pmBuffalo

$300

JetBlue

Aug 12

BUF7:00 amBuffalo

4h 33m

SJU11:33 amSan Juan Luis Munoz Marin Intl

Aug 22

SJU6:20 pmSan Juan Luis Munoz Marin Intl

4h 38m

BUF10:58 pmBuffalo

$305

JetBlue

Aug 7

BUF7:00 amBuffalo

4h 33m

SJU11:33 amSan Juan Luis Munoz Marin Intl

Aug 14

SJU6:20 pmSan Juan Luis Munoz Marin Intl

4h 38m

BUF10:58 pmBuffalo

$307

American Airlines flights from Buffalo to Caribbean Islands

Our best American Airlines deals on Buffalo to Caribbean Islands flight tickets

American Airlines

Nov 7

BUF5:26 pmBuffalo

17h 41m

2 stops

STT12:07 pmSaint Thomas Island Cyril E King

Nov 12

STT6:17 pmSaint Thomas Island Cyril E King

17h 52m

2 stops

BUF11:09 amBuffalo

$270

American Airlines

Sep 11

BUF7:34 pmBuffalo

13h 50m

2 stops

SJU9:24 amSan Juan Luis Munoz Marin Intl

Sep 17

SJU2:22 pmSan Juan Luis Munoz Marin Intl

9h 18m

1 stop

BUF11:40 pmBuffalo

$312

American Airlines

Aug 12

BUF6:00 amBuffalo

16h 24m

1 stop

SJU10:24 pmSan Juan Luis Munoz Marin Intl

Aug 19

SJU7:30 amSan Juan Luis Munoz Marin Intl

9h 59m

2 stops

BUF5:29 pmBuffalo

$317

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Sat 11/7

5:26 pm-12:07 pm

2 stops17h 41m

Saint Thomas Island Cyril E King

Thu 11/12

6:17 pm-11:09 am

2 stops17h 52m

$270

Quickest round-trip

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 8/7

7:00 am-11:33 am

Nonstop4h 33m

San Juan Luis Munoz Marin Intl

Fri 8/14

6:20 pm-10:58 pm

Nonstop4h 38m

$300

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 8/12

7:00 am-11:33 am

Nonstop4h 33m

San Juan Luis Munoz Marin Intl

Sat 8/22

6:20 pm-10:58 pm

Nonstop4h 38m

$305

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 8/7

7:00 am-11:33 am

Nonstop4h 33m

San Juan Luis Munoz Marin Intl

Fri 8/14

6:20 pm-10:58 pm

Nonstop4h 38m

$307

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Fri 9/11

7:34 pm-9:24 am

2 stops13h 50m

San Juan Luis Munoz Marin Intl

Thu 9/17

2:22 pm-11:40 pm

1 stop9h 18m

$312

BuffaloSaint Thomas Island

BUF - STT

BUFSTT

Buffalo

Tue 9/15

6:05 am-1:44 pm

1 stop7h 39m

Saint Thomas Island Cyril E King

Tue 9/22

2:54 pm-11:54 pm

1 stop9h 00m

$320

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Tue 9/15

6:50 am-1:35 pm

1 stop6h 45m

San Juan Luis Munoz Marin Intl

Wed 9/30

11:50 am-9:05 pm

2 stops9h 15m

$322

BuffaloSan Juan

BUF - SJU

BUFSJU

Buffalo

Wed 9/9

6:05 am-1:47 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Thu 10/8

1:06 pm-11:50 pm

1 stop10h 44m

$324

BuffaloPunta Cana

BUF - PUJ

BUFPUJ

Buffalo

Tue 9/29

7:59 pm-3:30 pm

2 stops19h 31m

Punta Cana

Tue 10/6

3:35 pm-11:36 pm

1 stop8h 01m

$332

BuffaloMontego Bay

BUF - MBJ

BUFMBJ

Buffalo

Sun 10/25

6:00 am-1:29 pm

1 stop8h 29m

Montego Bay Sangster Intl

Sat 10/31

1:48 pm-10:49 am

1 stop20h 01m

$375

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Caribbean Islands

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Caribbean Islands?

The month of September is, on average, the cheapest month to fly to Caribbean Islands from Buffalo, with most prices found around $137. The month of May is another great option to travel to Caribbean Islands, with average flight prices from Buffalo averaging around $138.

What is the cheapest day to depart on your flight to Caribbean Islands?

The cheapest day to depart from Buffalo to Caribbean Islands is on a Friday. Travelers who choose to depart for Caribbean Islands on a Friday will often find tickets for as low as $354. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $458. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.

What is the cheapest Buffalo to Caribbean Islands flight route?

Fly from Buffalo to San Juan Luis Munoz Marin Intl for the best Buffalo - Caribbean Islands flight prices

How far in advance should I book a flight from Buffalo to Caribbean Islands?

You are more likely to see cheaper flights to Caribbean Islands from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Buffalo for as low as $341 on momondo.

What cabin class options are available on Buffalo to Caribbean Islands flights?

There are 2 cabin classes available to choose from on Buffalo to Caribbean Islands flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buffalo to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Buffalo to Caribbean Islands.

Cheap Buffalo to Caribbean Islands flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Caribbean Islands

Fastest flight time	3h 54m
Direct flights	Tue, Thu, Sat and Sun
Airports in Caribbean Islands	99 airports

The fastest flight from Buffalo to Caribbean Islands takes 3h 54m

Direct flights go from Buffalo to Caribbean Islands on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

There are 99 airports in Caribbean Islands. From Buffalo there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

Frequently asked questions about flying from Buffalo to Caribbean Islands

When did momondo last update prices for flights from Buffalo Airport to Caribbean Islands?
Prices for flights from Buffalo Airport to Caribbean Islands refresh daily.
How many operators does momondo search for flights from Buffalo Airport to Caribbean Islands?
There are 6 operators available for flights from Buffalo Airport to Caribbean Islands as of June 2026.
How old do you have to be to fly from Buffalo Airport to Caribbean Islands?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buffalo to Caribbean Islands?
momondo data reveals that the most frequently booked plane model on the route from Buffalo to Caribbean Islands is Airbus A320-100/200, representing 22.76% of all bookings. The subsequent popular models are Airbus A220-300 at 10.91%, Boeing 737 MAX 8 at 9.76%, and Airbus A320neo at 8.59%.

Best airlines flying from Buffalo to Caribbean Islands

Compare and see reviews for airlines that fly from Buffalo to Caribbean Islands with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $106	Free Cancellation	Rating 7.8 8,419 reviews	Search Delta flights
Frontier	PriceFrom $129	Free Cancellation	Rating 5.6 2,879 reviews	Search Frontier flights
JetBlue	PriceFrom $138	Free Cancellation	Rating 7.1 2,987 reviews	Search JetBlue flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 9,865 reviews	Search United Airlines flights
Southwest	PriceFrom $225	Free Cancellation	Rating 7.9 4,241 reviews	Search Southwest flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 11,709 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Caribbean Islands?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Caribbean Islands. momondo saves you time and could save you money on your trip.

Can I find flights from Buffalo to Caribbean Islands with flexible booking policies on momondo?

momondo does allow users to show only those flights to Caribbean Islands from Buffalo which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Buffalo to Caribbean Islands?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Caribbean Islands from Buffalo.

I’m not ready to book a flight from Buffalo to Caribbean Islands right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Caribbean Islands from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.